221105416

素因数分解:

$2^3\times 7^1\times {\mathrm{3948311}}^1$

素因数の和:3948324

約数の個数: 16

約数和(自身を含む): 473797440

約数和(自身を除く): 252692024

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 3948311, 7896622, 15793244, 27638177, 31586488, 55276354, 110552708, 221105416]

約数ペア:

[(1, 221105416), (2, 110552708), (4, 55276354), (7, 31586488), (8, 27638177), (14, 15793244), (28, 7896622), (56, 3948311)]